import asyncio  
import aiofiles  
import io
import os

async def read_file(filename):  
    async with aiofiles.open(filename, 'r') as f:  
        content = await f.read()  
        print(content)  

directory=os.getcwd()
filename='1.txt'
full_path = os.path.join(directory, filename)
print(full_path)
asyncio.run(read_file(full_path))  
